Answer:
La profesora debe comprar 8 manzanas para reponer la cesta de frutas.
Step-by-step explanation:
La profesora debe reponer la cesta de frutas por la cantidad de manzanas que se encuentran dañadas. La cantidad de manzanas dañadas es igual a las dos séptimas partes del total de manzanas. Es decir:
La profesora debe comprar 8 manzanas para reponer la cesta de frutas.
Answer:
We conclude that:
Hence, option B is correct.
Step-by-step explanation:
Given the expression
solving
Scalar Multiplication: Multiply each of the matrix elements by a scalar
Simplify each element
Therefore, we conclude that:
Hence, option B is correct.
Answer:
Step-by-step explanation:
Given Parameters
Mean, = 180
total samples, n = 20
Standard dev, = 30
= 1 - 0.95 = 0.05 at 95% confidence level
Df = n - 1 = 20 - 1 = 19
Critical Value, , is given by
a).
Confidence Interval, , is given by the formula
b).
Critical Value, , is given by
Confidence Interval, , is given by
= 180 +/- 14.0403
= 165.9597 < < 194.0403